Hello,
1/ Fixed.
2/ You can use custom CSS code (add it in style.css of child theme or in Theme Options > Custom CSS:
.menu-social-icons i.ico-twitter{
background-color: #bc3232;
color: #FFF;
}
.menu-social-icons i.ico-facebook{
background-color: #bc3232;
color: #FFF
}
.menu-social-icons i.ico-pinterest{
background-color: #bc3232;
color: #FFF
}
.menu-social-icons i.ico-envelope{
background-color: #bc3232;
color: #FFF
}
https://prnt.sc/wSo8xDMvBovj
Colors you can find here https://www.hexcolortool.com/#59a0e3 https://prnt.sc/fdVTVwaNhnkm
Regards